package com.coder520.commom.interceptor;

import com.coder520.user.entity.User;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 * @Author 高鑫【gx_wanmei@163.com】
 * Created by 2017-6-21.20:18
 */
public class SessionInterceptor implements HandlerInterceptor{
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object o) throws Exception {String uri =request.getRequestURI();
        if ((uri.indexOf("login")>=0) ||(uri.indexOf("sign")>=0) ||(uri.indexOf("error")>=0) )
        {
            return  true;
        }
        HttpSession session =request.getSession();
        User user = (User) session.getAttribute("userInfo");
        if (user!=null){
            return true;
        }
        //转发到登录
        request.getRequestDispatcher("/login").forward(request,response);
        return false;
    }

    @Override
    public void postHandle(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o, ModelAndView modelAndView) throws Exception {

    }

    @Override
    public void afterCompletion(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o, Exception e) throws Exception {

    }
}
